Designing Embedded Communications Software

* Augment system performance * Optimize protocol implementation * Increase code maintainability Create network communications software with a thorough understanding of the essential system-level design and implementation choices and how they affect the p

T. Sridhar is CTO & vice president of engineering at FutureSoft

Foreword

vii

Preface

ix

Target Audience

x

Organization of the Book

x

Acknowledgements

xi

Updates

xi

Chapter 1 Introduction

1

(14)

1.1 OSI Reference Model

1

(5)

1.2 Communication Devices

6

(4)

1.3 Types of Software Components

10

(3)

The Communications Ecosystem

12

(1)

1.4 Design Considerations-A Prelude

13

(1)

1.5 Summary

13

(1)

1.6 For Further Study

14

(1)

1.7 Exercises

14

(1)

Chapter 2 Software Considerations in Communications Systems

15

(20)

2.1 Host-Based Communications

15

(6)

2.2 Embedded Communications software

21

(12)

Host Operating systems versus RTOSes

28

(5)

2.3 Summary

33

(1)

2.4 For Further study

34

(1)

2.5 Exercises

34

(1)

Chapter 3 Software Partitioning

35

(22)

3.1 Limitations of Strict Layering

35

(2)

3.2 Tasks and Modules

37

(3)

3.3 Module and Task Decomposition

40

(1)

3.4 Partitioning Case Study-Layer 2 Switch

41

(8)

Optimization of Reception

42

(7)

3.5 Layer 3 Switch/Router

49

(1)

3.6 Module and Task Interfaces

50

(6)

3.7 Summary

56

(1)

3.8 For Further study

56

(1)

3.9 Exercises

56

(1)

Chapter 4 Protocol Software

57

(18)

4.1 Protocol Implementation

57

(16)

Management Types

69

(1)

Debugging Protocols

70

(3)

4.2 Summary

73

(1)

4.3 For Further study

73

(1)

4.4 Exercises

73

(2)

Chapter 5 Tables and Other Data structures

75

(18)

5.1 Tables

75

(3)

5.2 Partitioning the Structures/Tables

78

(6)

Design Decisions

81

(3)

5.3 Implementation

84

(3)

5.4 Speeding up Access

87

(2)

Over Engineering

87

(1)

A Note on Engineering Assumptions

88

(1)

5.5 Table Resizing

89

(1)

5.6 Table Access Routines

90

(2)

5.7 Summary

92

(1)

5.8 For Further study

92

(1)

5.9 Exercises

92

(1)

Chapter 6 Buffer and Timer Management

93

(24)

6.1 Buffer Management

93

(14)

Third-Party Protocol Libraries

94

(13)

6.2 Timer Management

107

(8)

6.3 Summary

115

(1)

6.4 For Further study

116

(1)

6.5 Exercises

116

(1)

Chapter 7 Management Software

117

(14)

7.1 Device Management

117

(1)

7.2 Management Schemes

117

(2)

7.3 Router Management

119

(1)

7.4 Management Subsystem Architecture

120

(3)

7.5 Agent-to-Protocol Interface

123

(3)

Legacy Systems

124

(2)

7.6 Device-to-Manager Communication

126

(1)

7.7 System Setup and Configuration

126

(2)

7.8 Saving and Restoring the Configuration

128

(2)

7.9 Summary

130

(1)

7.10 For Further Study

130

(1)

7.11 Exercises

130

(1)

Chapter 8 Multi-Board Communications Software Design

131

(26)

8.1 Common Architectures for Communications Equipment

131

(4)

8.2 Multi-Board Architectures

135

(2)

8.3 Single Control Card + Multiple Line Card Architecture

137

(6)

8.4 RTOS Support for Distribution

143

(1)

8.5 Data Structure Changes for Distribution

143

(2)

8.6 State Machine Changes for Distribution

145

(2)

8.7 Management Interfaces for Multi-Board Software

147

(1)

8.8 A Checklist for Multi-Board Software Development

148

(1)

8.9 Evaluating the Single Control Card + Multiple Line Card Architecture

148

(1)

8.10 Multiple Line Card, Fully Distributed Architecture

149

(2)

8.11 Failures and Fault Tolerance in Multi-Board Systems

151

(4)

8.12 Summary

155

(1)

8.13 For Further Study

156

(1)

8.14 Exercises

156

(1)

Chapter 9 Going About the Development

157

(16)

9.1 Product Development steps

157

(6)

9.2 Hardware-Independent Development

163

(4)

ACE OSAL

165

(2)

9.3 Using a COTS Board

167

(1)

9.4 Development Environments and Tools

168

(1)

9.5 Test Tools and Equipment

169

(2)

9.6 Summary

171

(1)

9.7 For Further Study

171

(1)

9.8 Exercises

171

(2)

Appendix A Examples from Commercial Systems

173

(4)

Juniper Networks M-Series Routers

173

(1)

Cisco systems 12000-Series Routers

174

(3)

Glossary of Common Terms and Acronyms

177

(16)

References

193

(6)

Index

199

What is included with this book?

The New copy of this book will include any supplemental materials advertised. Please check the title of the book to determine if it should include any access cards, study guides, lab manuals, CDs, etc.

The Used, Rental and eBook copies of this book are not guaranteed to include any supplemental materials. Typically, only the book itself is included. This is true even if the title states it includes any access cards, study guides, lab manuals, CDs, etc.

FREE SHIPPING

Rent More, Save More! Use code: BBRENTAL

5% off 1 book, 7% off 2 books, 10% off 3+ books

Designing Embedded Communications Software

Summary

Author Biography

Table of Contents

Supplemental Materials

FREE SHIPPING

Rent More, Save More! Use code: BBRENTAL

5% off 1 book, 7% off 2 books, 10% off 3+ books

Designing Embedded Communications Software

Summary

Author Biography

Table of Contents

Supplemental Materials

Digital License